Reduction of CaCO_3 Scale Formation During Pool Boiling by Sputtering MgF

化学工业与工程

Chemcial Industry and Engineering

2008, Vol. 25

Issue (3) :220-223 DOI:

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Reduction of CaCO_3 Scale Formation During Pool Boiling by Sputtering MgF_2 on Surface

WANG Yan~1,LIU Ming-yan~1,WANG Ze-zhen~2,WANG Lin-lin~1,LIANG Wen-cai~1(1.School of Chemical Engineering and Technology,Tianjin University,Tianjin 300072,China;2.Daqing Oil Field Chemical Corporation,Daqing 163411,Heilongjiang Province,China)

(1.School of Chemical Engineering and Technology,Tianjin University,Tianjin 300072,China;2.Daqing Oil Field Chemical Corporation,Daqing 163411,Heilongjiang Province,China

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Abstract The accumulation of unwanted crystalline deposits(fouling) reduced the efficiency of heat exchanger considerably.In this investigation,MgF_2 composite thin film was deposited on Cu substrate by magnetron sputtering.The fouling process of CaCO_3 in pool-boiling systems was performed.Scanning electron microscopy(SEM) was employed to determine the morphology of the substrate and surface energy was calculated.The experiment results showed that the sputtered MgF_2 surface reduced CaCO_3 deposit on the heat transfer surface significantly.

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Received 2008-05-15; published 2008-05-15

Cite this article:

WANG Yan~1,LIU Ming-yan~1,WANG Ze-zhen~2,WANG Lin-lin~1,LIANG Wen-cai~1.Reduction of CaCO_3 Scale Formation During Pool Boiling by Sputtering MgF_2 on Surface[J] Chemcial Industry and Engineering, 2008,V25(3): 220-223